package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分类管理
 */
@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增菜品
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){


        categoryService.save(category);
        return R.success("新增菜品成功");
    }

    /**
     * 菜品分类分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        Page<Category> pageInfo = new Page<>(page,pageSize);
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        //根据sort排序
        lambdaQueryWrapper.orderByAsc(Category::getSort);
        categoryService.page(pageInfo,lambdaQueryWrapper);

        return R.success(pageInfo);
    }

    /**
     * 根据id删除菜品分类
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id){
        categoryService.remove(id);
        return R.success("删除成功");//并没有检查删除是否关联了菜品和套裁
    }

    /**
     * 修改菜品或套餐分类
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("修改成功");
    }

    /**
     * 查询菜品分类列表
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
        lambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> list = categoryService.list(lambdaQueryWrapper);
        return R.success(list);
    }

}
